Finding the Fourth Proportional to 12,226,368.60, 16,872,562.98 and 6,720,252.26
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Solution
The fourth proportional to 12,226,368.60, 16,872,562.98 and 6,720,252.26 is: 9,274,043.93
Step by Step Solution
- Step 1: Write the proportion equation
12,226,368.60 : 16,872,562.98 = 6,720,252.26 : x - Step 2: Convert to fraction form
12,226,368.60/16,872,562.98 = 6,720,252.26/x - Step 3: Cross multiply
12,226,368.60x = 16,872,562.98 × 6,720,252.26 - Step 4: Simplify right side
12,226,368.60x = 113,387,879,498,337.33 - Step 5: Solve for x
x = 113,387,879,498,337.33/12,226,368.60 - Step 6: Final answer
x = 9,274,043.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.